Asian Journal of Bio Science

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Genotype-Environment Interaction Studies for Seed Cotton Yield and its Component Characters


Affiliations
1 Department of Agricultural Botany, Marathawada Agricultural University, Parbhani (M.S.), India
2 Department of Agricultural Botany, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola (M.S.), India
     

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The stability of 58 genotypes of American cotton comprising of 10 parents, their 45 hybrids produced in diallel fashion (without reciprocals) were evaluated in three environments for yield and its component characters. Significant E+(G x E) interactions showed differentional response of genotypes under different environments. Stability parameters revealed that the hybrids NH-452 x RAH-2211, DHY-286-1R x JK-276-10-5 and NA-1325 x RAH-101 found stable over the locations with high seed cotton yield, regression near unity and non significant deviation from regression.

Keywords

Stability, Regression Coefficient, G X E Interaction.
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  • Genotype-Environment Interaction Studies for Seed Cotton Yield and its Component Characters

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Authors

S. B. Deshmukh
Department of Agricultural Botany, Marathawada Agricultural University, Parbhani (M.S.), India
M. B. Misal
Department of Agricultural Botany, Marathawada Agricultural University, Parbhani (M.S.), India
S. S. Gomashe
Department of Agricultural Botany, Marathawada Agricultural University, Parbhani (M.S.), India
S. B. Sarode
Department of Agricultural Botany, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola (M.S.), India
H. V. Kalpande
Department of Agricultural Botany, Marathawada Agricultural University, Parbhani (M.S.), India

Abstract


The stability of 58 genotypes of American cotton comprising of 10 parents, their 45 hybrids produced in diallel fashion (without reciprocals) were evaluated in three environments for yield and its component characters. Significant E+(G x E) interactions showed differentional response of genotypes under different environments. Stability parameters revealed that the hybrids NH-452 x RAH-2211, DHY-286-1R x JK-276-10-5 and NA-1325 x RAH-101 found stable over the locations with high seed cotton yield, regression near unity and non significant deviation from regression.

Keywords


Stability, Regression Coefficient, G X E Interaction.